- Mithril ( Lord of the Rings universe)
- Dilithium (Star Trek universe)
- Kryptonite (DC Comics universe)
- Infinity Gems (Marvel Comics universe)
- Adamantium (Marvel Comics universe)
- Kyber Crystal (Star Wars universe)
- Naquadah (Stargate universe)
- Tylium (Battlestar Galactica universe)
- Eludium (Looney Toons universe)
- Mimetic Polyalloy (Terminator universe)
*Postscriptum: CrazyDave65 reminded me of Isaac Asimov's Thiotimoline.
**Post-Postscriptum: Linsis reminded me of Star Trek universe's Tritanium which was also appropriated by the Transformers' universe.
(Updated 1/05/17)
What about unobtainium? Is was in The Core and another scifi film that alludes me at the moment. Can't forget that one.
ReplyDeleteCrazyDave65 brought up this interesting addition:
ReplyDelete"Then there’s thiotimoline.
https://en.wikipedia.org/wiki/Thiotimoline"